Q: Is 4,721,604 a Prime Number?
A: No, 4,721,604 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4721604 can be evenly divided by 1 2 3 4 6 12 257 514 771 1,028 1,531 1,542 3,062 3,084 4,593 6,124 9,186 18,372 393,467 786,934 1,180,401 1,573,868 2,360,802 and 4,721,604, with no remainder.
Since 4,721,604 cannot be divided by just 1 and 4,721,604, it is not a prime number.